How Much Wax?

Discussion in 'Materials' started by Swimpy, Aug 9, 2006.

  1. Swimpy
    Joined: Aug 2006
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    Location: Louisiana

    Swimpy Junior Member

    Can anyone tell me how many oz. of wax to add per gallon of gelcoat for topcoat?

    Thanks
    Swimpy
     
  2. ondarvr
    Joined: Dec 2005
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    Location: Monroe WA

    ondarvr Senior Member

    Add about 2%, but a little more won't hurt it any.

    About 2.5 to 3oz.
     
  3. Swimpy
    Joined: Aug 2006
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    Location: Louisiana

    Swimpy Junior Member

    Thanks much
     
  4. van stoneman
    Joined: Aug 2006
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    Location: lavergne,tn.

    van stoneman fiberglass shop manager

    2% is the correct amount to a 2 qt. pot add about 40 cc's.
    about the same as mekp.
    too much takes along time to evaporate and will leave it spoty and possibly crack.when it has cured fully it should look dull but still check in a non obvious spot before starting to sand .
     
  5. fiberglass jack
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    fiberglass jack Senior Member

    you can also use pva to seal the gelcoat after you spray the top coat spray a film of pva over it, this way you will have a less chance of having pinholes caused by the wax sometimes small amounts of wax is traped and when you sand and buff the really show up, duratec high gloss addative is the best for a top coat just add it to the gel and it will lay on flat very little orange peel
     
  6. van stoneman
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    Location: lavergne,tn.

    van stoneman fiberglass shop manager

    duratec clear is good but if you are not an experienced painter you will be sanding alot of runs or sags. and partall film #10 {P.V.A. poly vinyl alcohol} could possibly do the same as wax if you spray it too soon.it can dry in mid air and hit the wet paint and put holes in it.Plus you will still wipe the part down anyway the with water and alot of rags.
     
  7. fiberglass jack
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    fiberglass jack Senior Member

    what you mean going though the part with rags and water if thats the case how you sand and buff
     
  8. hockeyengineer
    Joined: Aug 2006
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    Location: Utah

    hockeyengineer New Member

    Pva

    I believe the previous poster was saying that you need to wash off the PVA with water and rags. PVA is water soluble.
     

  9. tomi_k
    Joined: Mar 2022
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    Location: Ontario

    tomi_k New Member

    Newbie here but looking for information how to turn un-waxed polyester resin to waxed polyester resin.... is above 2% for resin / surface additives (e.g. #71 Styrene Wax) OR pure wax amount? Can 100% paraffin oil be used as wax?
     
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